77.63% is the change from 389 to 691
Calculation steps:
[( 691 - 389 ) ÷ 389] x 100 = 77.63%
Formula
Percentage change = [(691 - 389) / 389] x 100
Subtract the new number by the original number
691 - 389 = 302
302 ÷ 389 = 0.7763496143958869
0.7763496143958869 x 100 = 77.63%